United States. Defense Mapping Agency. Hydrographic/Topographic Center, United States. Naval Oceanographic Office, & British Geological Survey. (1996). Total intensity of the earth's magnetic field, epoch 1995 (6th ed., Aug. 17, 1996 (Correct through NM 33/96).). The Agency.
Chicago Style (17th ed.) CitationUnited States. Defense Mapping Agency. Hydrographic/Topographic Center, United States. Naval Oceanographic Office, and British Geological Survey. Total Intensity of the Earth's Magnetic Field, Epoch 1995. 6th ed., Aug. 17, 1996 (Correct through NM 33/96). [Bethesda, Md.]: The Agency, 1996.
MLA (9th ed.) CitationUnited States. Defense Mapping Agency. Hydrographic/Topographic Center, et al. Total Intensity of the Earth's Magnetic Field, Epoch 1995. 6th ed., Aug. 17, 1996 (Correct through NM 33/96). The Agency, 1996.